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[R] Add map_batches example from vignette to Cookbook #272

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thisisnic opened this issue Oct 27, 2022 · 0 comments
Open

[R] Add map_batches example from vignette to Cookbook #272

thisisnic opened this issue Oct 27, 2022 · 0 comments

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@thisisnic
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In ARROW-14029 we are adding an example of using map_batches() to sample data and compute aggregate statistics without having the load the whole dataset into memory. We should add these to the cookbook as well.
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